rules

type Rule struct {
	RAW []byte

	Name   string
	Params []RuleNode

	Range          []*RuleLit
	ExclusiveLeft  bool
	ExclusiveRight bool

	ValueMatrix [][]*RuleLit

	Pattern string

	Optional     bool
	DefaultValue []byte

	RuleNode
}

type RuleLit struct {
	Lit []byte
	RuleNode
}

type RuleNode interface {
	Bytes() []byte
	// contains filtered or unexported methods
}

type SyntaxError struct {
	Msg string
}